import Repl from '@/repl/Repl.tsx'; import CodeLink from '@/mdx-components/CodeLink.tsx';

set()

Returns a copy of the collection with the value at key set to the provided value.

A functional alternative to collection.set(key, value) which will also work with plain Objects and Arrays as an alternative for collectionCopy[key] = value.

<Signature code={set(collection: C, key, value): C;} />

<Repl defaultValue={const originalArray = List([ 'dog', 'frog', 'cat' ]) set(originalArray, 1, 'cow')} />

<Repl defaultValue={const originalObject = { x: 123, y: 456 } set(originalObject, 'x', 789)} />